Given that the diameter of a ping pong ball is 40 mm and a tennis ball has a diameter of 6.8 cm, what is the ratio of the ping p
2 answers:
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We can use the vertical angle theorem which states that any two opposite angles are congruent. So, you can just set the two measures equal to each other and solve for x:
So, your answer is 20°.
So, your answer is 20°.
You want to find the volume inside the hemisphere (i.e. inside the sphere but above the plane
) and outside the cylinder
. Call this region
.
In cylindrical coordinates, we have
(where )